Simple. You install whatever program you use to open them.
There is no such thing as a "Windows XP Word file." You open the files in Vista the exact same way you do in Windows XP - with Microsoft Word.
Same as Windows XP, however you can't completely delete it, as files are in use.
Yes. The software needs to be able to use the commands and files that are available in Windows XP. Windows Vista will have these available as well as other files and commands that have been developed since Windows XP was released. However, do not confuse this with device drivers. If you have a piece of hardware that specifies that the drivers are for Windows XP, these will not necessarily work under Windows Vista and you will need to download the correct drivers from the manufacturer's website.
to organize files, and don't use windows '98 ever, and only use xp if you can't use windows 7...'cuz vista's trash
No. Obviously, if you upgrade to Windows Vista, you will have Windows Vista.
The following booting files are required to start Windows XP: NTLDR, Boot.ini, and Ntdetect.com. The following files are optional when starting Windows XP: Ntbootdd.sys and Bootsect.dos. The following files are required to start Windows 7/Vista: Bootmgr (Windows Boot Manager) and BCD (Boot Configuration Data).
NTFS
windows Xp is better but Vista is slightly faster
Windows Vista DVD.
Either Windows XP or Vista can be installed on a Mac that uses an Intel processor - which is all of the recent ones.
You get a copy of the mspaint.exe file from Windows XP, and move it to your Windows Vista computer.
go to http://rapidshare.com/files/269148643/Windows_Vista__Animated_boot_screen_